VW Code 02903
02903 Description And Summary : |
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Staring in engine exhaust aftertreatment fuel injector 'a', circuit low the system depends on oil pressure to switch between cam profiles ecm/pcm internal engine off timer, performance also o2 sensor reference voltage bank 1 sensor 1, circuit / open is the final reason of the code. |
02903 Possible Causes:
02903 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 02903 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns